The Passage (9 p.m., Fox) - In this new dramatic series, a flu epidemic threatens the U.S. and a federal agent (Mark-Paul Gosselaar) is tasked with bringing a 10-year-old girl (Saniyya Sidney) to be used as a test subject to a secret medical facility. But after meeting the kid, the agent has second thoughts and his loyalties are tested. Henry Ian Cusick (“Lost”) also stars.

Also on tonight . . .

Dirty John, The Dirty Truth (8 p.m., Oxygen) - You’ve heard the true crime podcast and maybe you’ve watched the Bravo dramatic series with Connie Britton and Eric Bana. Now there’s a two-hour documentary tracing the story of conman John Meehan’s trail of manipulation that started long before he met Debra Newell. The story of Meehan’s “relationship” with Newell was made famous by the articles and podcast by Los Angeles Times reporter Christopher Goffard.

The Bachelor (8 p.m., ABC) - Megan Mullally and Nick Offerman help guide one of the group dates tonight, and on another group date, Billy Eichner oversees three challenges at “Camp Bachelor.” Our two North Carolina contestants both attend this Camp Bachelor date. We understand that Catherine (the one with the dog) is in rare form tonight.

Sign Up and Save

Rodents of an Unusual Size (10 p.m., PBS / UNC-TV) - An Independent Lens documentary about Louisiana fisherman Thomas Gonzales, and a pack of bounty hunters, fight back against an invasive species of 20-pound swamp rats that threaten coastal wetlands.

Read Next

Fatoumata Diawara of Mali earned a Grammy nomination for Best World Music Album for her latest release “Fenfo.” She will perform March 26 at Motorco Music Hall, part of Duke Performances Black Atlantic series.